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	Search Quick Order Form» Departments Vitamins Minerals Supplements Herbs Home & Grocery Diet & Fitness Body & Bath More Ways to Shop Brands A-Z Natural Remedies Children & Infants Women's Health Men's Health Seniors Newsletter Sign Up Weekly health news, sale announcements and coupons!		Library Home > Safetychecker by Drug Name > Atenolol ATENOLOL Introduction Safetychecker summary Vitamin interactions Herb interactions Food interactions References Combination drugs: AtenixCo®, Beta-Adalat®, Co-Tendione, Kalten®, Tenben®, Tenchlor®, Tenif®, Tenoret 50®, Tenoretic®, Totaretic® Atenolol is a beta-blocker drug used to treat some heart conditions, reduce the symptoms of angina pectoris (chest pain), lower blood pressure in people with hypertension, and treat people after heart attacks. Safetychecker Summary for Atenolol (for details about the summarized interactions, read the full article) Avoid: Adverse interaction—Avoid these supplements when taking this medication because taking them together may cause undesirable or dangerous results. Potassium supplements* Pleurisy root* High-potassium foods* Tobacco Depletion or interference None known Side effect reduction/prevention None known Supportive interaction None known Reduced drug absorption/bioavailability None known Interactions with Dietary Supplements Potassium Some beta-adrenergic blockers (called “nonselective” beta blockers) decrease the uptake of potassium from the blood into the cells,1 leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia.2 People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor. Interactions with Herbs Pleurisy root As pleurisy root and other plants in the Aesclepius species contain cardiac glycosides, it is best to avoid use of pleurisy root with heart medications such as atenolol.3 Interactions with Foods and Other Compounds Food Atenolol may be taken with or without food.4 Alcohol Atenolol may cause drowsiness, dizziness, lightheadedness, or blurred vision.5 Alcohol may intensify these effects and increase the risk of accidental injury. To prevent problems, people taking atenolol should avoid alcohol. Tobacco In a double-blind study of ten cigarette smokers with angina treated with atenolol for one week, angina episodes were significantly reduced during the nonsmoking phase compared to the smoking phase.6 People with angina taking atenolol who do not smoke should avoid starting. Those who smoke should consult with their prescribing doctor about quitting. References: 1. Rosa RM, Silva P, Young JB, et al. Adrenergic modulation of extrarenal potassium disposal. N Engl J Med 1980;302:431–4. 2. Lundborg P. The effect of adrenergic blockade on potassium concentrations in different conditions. Acta Med Scand Suppl 1983;672:121–6 [review]. 3. Newall CA, Anderson LA, Phillipson JD. Herbal Medicines: A Guide for Health-Care Professionals. London: Pharmaceutical Press, 1996, 213–4. 4. Threlkeld DS, ed. Diuretics and Cardiovasculars, Beta-Adrenergic Blocking Agents. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Feb 1993, 158L. 5. Threlkeld DS, ed. Diuretics and Cardiovasculars, Beta-Adrenergic Blocking Agents. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Feb 1993, 158L. 6. Deanfield J, Wright C, Krikler S, et al. Cigarette smoking and the treatment of angina with propranolol, atenolol, and nifedipine. N Engl J Med 1984;310:951–4. Copyright © 2002 Healthnotes, Inc.  All rights reserved. www.healthnotes.com Please read the disclaimer about the limitations of the information provided here. Do NOT rely solely on the information in this article. Learn more about Healthnotes, the company. Learn more about the authors of Safetychecker. The information presented in Healthnotes is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over-the-counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires December 2003.

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